USA, Japan and Yom Kippur


The 5754 Yom Kippur issue of several Israeli newspapers devoted a lot of space to discussing the 'machdalim' of the Yom Kippur War which happened 20 years earlier.
Note: the aforementioned Yom Kippur happened on the Gregorian year A.D. 1993. The war itself happened on year 5734 (Gregorian year A.D. 1973).

The bright side of the USA-USSR nuclear arms race

This article was originally written at 1987 Dec 13 and published in the Physics discussion list. The only modification made to it was inclusion of reference to a Sci-Fi book which has a related theme.

Long range challenges for Israel


In this article I'll discuss issues on the national agenda. I'll point out that the national challenges are now being accomplished and that new challenges will have to be formulated to maintain the vigorous and fresh spirit of Israel.

Mohammed's Tomb

Location of Mohammed's Tomb

Once upon a time, in the old Physics mailing list, there were some postings of Moslem astronomers who want to research the times of Moon sightings.

This reminded me that I read somewhere that some people claim that the remains of Mohammed the Prophet are suspended in the sky somewhere between Earth and Moon. If they used modern terminology, they would have claimed that Mohammed's remains are a satellite.

Evolution, time machines and language

0. Preliminary

Evolution (of living things, engineering designs or whatever) proceeds through construction of instances of the evolving object, such as an insect. For each instance, the details of its construction are a bit different, according to the set of genes which it carries. In the case of computer programs (for example), the term "genes" is not to be understood literally but as source code, which can have different versions.